Fasting: Breaking a Hired Qadā’ Fast — Is Kaffārah Required?
English:
Question #805:
A person was hired to perform qaḍā’ fasts of the month of Ramadan for somebody else, and he breaks the fast in the afternoon. Does he have to pay the kaffārah?
Answer #805:
No kaffārah is required.
-Imam Khamenei, Practical Laws of Islam, Importance and Conditions of Fasting